diff --git a/nlsr_adl.hpp b/nlsr_adl.hpp
index 71829c1..d6923e1 100644
--- a/nlsr_adl.hpp
+++ b/nlsr_adl.hpp
@@ -5,6 +5,8 @@
 #include "nlsr_adjacent.hpp"
 #include<list>
 
+class nlsr;
+
 using namespace std;
 
 class Adl{
@@ -23,6 +25,14 @@
 	void setStatusOfNeighbor(string& neighbor, int status);
 	void setTimedOutInterestCount(string& neighbor, int count);
 
+	bool isAdjLsaBuildable(nlsr& pnlsr);
+	int getNumOfActiveNeighbor();
+
+	int getAdlSize()
+	{
+		return adjList.size();
+	}
+
 	void printAdl();
 
 private: